EP3746234A1 - Device and method for handling 3d powder printing elements - Google Patents
Device and method for handling 3d powder printing elementsInfo
- Publication number
- EP3746234A1 EP3746234A1 EP19711803.7A EP19711803A EP3746234A1 EP 3746234 A1 EP3746234 A1 EP 3746234A1 EP 19711803 A EP19711803 A EP 19711803A EP 3746234 A1 EP3746234 A1 EP 3746234A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- chamber
- powder
- rotation
- axis
- gas medium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 239000000843 powder Substances 0.000 title claims abstract description 162
- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000007639 printing Methods 0.000 title claims abstract description 14
- 238000011049 filling Methods 0.000 claims abstract description 52
- 238000000149 argon plasma sintering Methods 0.000 claims abstract description 14
- 238000007648 laser printing Methods 0.000 claims abstract description 11
- 239000011324 bead Substances 0.000 claims description 17
- 239000011521 glass Substances 0.000 claims description 17
- 239000002245 particle Substances 0.000 claims description 16
- 230000005855 radiation Effects 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 230000001678 irradiating effect Effects 0.000 claims description 5
- 238000004381 surface treatment Methods 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 238000010146 3D printing Methods 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000035699 permeability Effects 0.000 claims description 4
- 238000002604 ultrasonography Methods 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 230000008595 infiltration Effects 0.000 claims description 2
- 238000001764 infiltration Methods 0.000 claims description 2
- 238000005422 blasting Methods 0.000 claims 1
- 239000003570 air Substances 0.000 description 24
- 238000000926 separation method Methods 0.000 description 4
- 239000012756 surface treatment agent Substances 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 231100000206 health hazard Toxicity 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/35—Cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0035—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/02—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by distortion, beating, or vibration of the surface to be cleaned
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/02—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by distortion, beating, or vibration of the surface to be cleaned
- B08B7/026—Using sound waves
- B08B7/028—Using ultrasounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/04—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by a combination of operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/32—Abrasive blasting machines or devices; Plants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
- B33Y40/20—Post-treatment, e.g. curing, coating or polishing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
- B24C9/006—Treatment of used abrasive material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/141—Processes of additive manufacturing using only solid materials
- B29C64/153—Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Definitions
- the invention relates to a device for treating 3D powder pressure elements according to the preamble of claim 1 and to a method for using a device for treating 3D powder pressure elements according to the preamble of claim 15.
- 3D laser sintering elements by applying local high energy through a laser beam and a layered structure by raising or lowering a basin with metal powder, plastic powder or the like by means of a 3D laser sintering method.
- This manufacturing process is known in particular under the term 3D printing.
- a device for treating 3D powder printing elements in particular 3D laser printing elements and / or 3D powder bed elements, in particular produced by a Kunststoffpulverlasersinter- method, comprising at least a first chamber, with at least a first sub-chamber and a second sub-chamber separated by at least one screen grid insert means, wherein the grid meshes are adapted for passing through print powder residues, in particular laser print powder residues, in particular plastic powder residues, and / or retention of the 3D powder printing elements from the 3D printing powder process, in particular 3D laser printing processes, in particular plastic powder laser sintering processes Rotational means for rotating the first chamber about an axis of rotation, in particular with a rotary feedthrough, wherein the screen grid insert means is arranged inclined, in particular perpendicular, to the axis of rotation of the first chamber, a
- the present invention for the purification of powdered cake 3D-powdered printing elements, in particular 3D laser printing elements and / or 3D powder bed elements, in particular produced with a Kunststoffpulverlasersinterhabilit, which may for example also have residual sintered powder, in the form of bulk material, in particular small and medium Series in plastic powder production, a compact, safe and fast procedure for cleaning the manufactured elements and for reusing the unused, expensive powder is provided by means of a separation process. Furthermore, the hands-on handling is also not healthy, so that here too an increase in safety and improvement of the working environment is ensured.
- the device may be formed one or more chambers.
- a first Kam mer can be generated with a screen mesh separation into at least two sub-chambers, wherein the grid width is selected in particular adapted such that on the one hand the powder can pass and on the other hand no hooking of the 3D powder elements to be cleaned occurs.
- the sieve grid means before geous with the help of differently permeable areas designed a STEU tion of the air currents cause so that do not form local clusters of powder, especially not at the edge region.
- a rotational movement and / or a tilting / rotating movement is advantageously used.
- the axis of rotation can advantageously be adjusted obliquely inclined into the room, with at least one vertical component of the sieve grid insert to the rotation axis, so that the filled sinter cake with the powder pressure elements, in particular laser printing elements, is moved through the sub-chamber.
- the present device for separating in which the powder cake can advantageously be poured directly from removable frame, there are advantageous by the variable angle and Ge speeds the ability to empty cavities, relinquish residual powder from, filter and reuse by a powder preparation.
- up to 70-90% of the powder can be sucked off.
- the separation can thus be done mechanically by rotation and / or by the air pressure, possibly with ionized air, for example with an ultrasonic method, or else a pulsating negative pressure and / or pulsating air pressure.
- the first chamber is emptied easily. It is advantageous, in particular, if the first chamber is arranged, for example, above a possibly second chamber and then can simply be tilted for emptying into the second chamber and emptied into the lower chamber, in particular an air system is connected, so that the powder dust and any Surface treatment residues are retained and the openings can advantageously be substantially air-tight and / or with an outflowing air flow inwards into the chamber due to an air cushion arranged on a door to each other, so that advantageously a powder dust freedom for the Working environment and manpower can be ensured, especially when transferring to another chamber.
- a second chamber is provided, with at least a first sub-chamber and a second sub-chamber, separated by at least one screen grid insert means, a rotation means for rotating the second chamber is provided about an axis of rotation, wherein the screen grid insert means in particular perpendicular to the axis of rotation of second chamber is arranged, wherein the grid in shape and mesh size is adapted in particular for plastic powder residues of the 3D powder pressure elements and / or Strahlungsstoffp firmwarepulver and / or to prevent the entanglement of 3D powder pressure elements in grid mesh, a surface jet treatment means, in particular a Glasperlenein direction, for irradiation the powdered powder 3D elements with radiation particles powder, in particular glass beads, which are provided on the Siebgitter complicatstoff, further in particular a gas medium supply means, in particular Heilzu guiding means, goh is provided in a Gasmediumabsaugffen, adapted adapted for suction of plastic powder residues and / or radiation particle powder from the second chamber
- the second chamber in particular arranged below, in particular obliquely below the first chamber, with a vertical position component for using a gravity transport component for the powder pressure elements, is also advantageously used with a mesh screen for separation into at least two sub-chambers.
- the introduced 3D powder pressure elements in particular laser printing elements, are cleaned in a surface-beam treatment, in particular a glass bead device, which can be used by way of example together with or instead of an air feed in a filling opening.
- the resulting mixed powder including any still baked residual powder and abrasive, is then aspirated, filtered, reused, if sufficiently pure or disposed of.
- partial side guide plates advantageously then runs on the suction and the chamber is closed while running from suction before the surface irradiation begins.
- a tilting means for tilting and / or lateral forward and backward rotation of the first chamber is provided about a first tilting axis, wherein the tilting axis is arranged in particular substantially perpendicular to the axis of rotation, wherein for adjusting the chamber in particular and Zugurdre hung about the tilt axis at an angle of in particular about +/- 360 °, in particular about +/- 180 °, about +/- 90 °, vorICEbar and / or the filling area for filling the 3D powder pressure elements in the first sub-chamber and / or for emptying the 3D powder pressure elements from the first sub-chamber in the second chamber is to tilt, in particular guided by lateral partial guide plates adjacent to the filling of the second chamber and / or a second Kippach se for tilting and / or lateral Vor - And turning back the second chamber, in particular with a tilting means, substantially perpendicular to the rotation axis, wherein for adjusting the chamber in Specifically,
- the surface jet treatment means in particular a glass bead device, is arranged in an upper region of the second chamber, in particular in addition to the arrangement of the gas medium supply means, in particular air supply means.
- sensors and / or a power supply and / or a suction device can advantageously also be provided.
- the gas medium supply means in particular air supply means
- the tilting means is to be guided along the tilt axis on the way to the chamber, in particular substantially centrally by the tilting means, in particular by means of rotational tilting of the tilting means.
- gas medium supply means in particular special air supply means, and / or the surface jet treatment means, in particular a glass bead device is provided, in particular a nozzle means which is adjustable with respect to a nozzle angle, in particular synchronized with the tilting movement is provided.
- a gas medium supply means is provided for supplying an ionized radiation means.
- an ultrasound processing means is arranged in the first chamber and / or second chamber and / or a further chamber. It is advantageous if the first chamber above, in particular perpendicular or obliquely to each other, the second chamber is arranged so that a simple Weertertransport of the elements can take place by means of Schwerkrafteinfl.
- one or more further chambers are provided following the second chamber and / or one or more further chambers are provided in front of the first chamber for the previous and / or further transfer of the 3D powder pressure elements.
- the filling region of the first chamber and / or the filling region of the second chamber is provided in a side region of the first chamber or a side region of the second chamber, in particular in a window mold with a door means, in particular by means of a door movement means, in particular
- a linear actuator in particular pneumatic, is to be adjusted, in particular provided with an air cushion device, wherein an air cushion actuation and / or door means actuation is to activate in particular only at a meeting of filling areas of two chambers.
- the door means is closed because it is pneumatically operated.
- a gas medium supply is arranged substantially parallel to the axis of rotation, wherein the gas medium supply is arranged in particular through the filling area.
- the first chamber and / or second chamber are held in the region of the tilting axes on a bogie, which is in particular connected to a holding frame, and in a height and / or in a Achsne Trent, in particular special the tilt axes of the chambers movable and / or is adjustable, in particular to Kammerverfahrstoffn, in particular adjustable to a setting with ge opposite filling areas of the chambers, in particular for the transfer of 3D powder pressure elements.
- the sieve grid insert means has an edge region with a tooth-like configuration and / or regions with different sized medium permeability and / or powder permeability, especially in areas impermeable to medium and / or powder is formed.
- the object is likewise achieved by a method for using a device according to one of claims 1 to 14, for treating 3D powder printing elements, in particular 3D laser printing elements and / or 3D powder bed printing elements, produced using a 3D printing method, in particular laser sintering method in particular with a plastic powder laser sintering method, comprising at least a first chamber, having at least a first sub-chamber and a second sub-chamber, which are separated by at least one sieve grid insert means, wherein the grid meshes are adapted adapted for passing powder pressure powder residues and / or retention the 3D powder pressure elements, the 3D powder pressure elements from the Kunststoffpulverlaser- sintering method, a rotation means for rotating the first chamber about an axis of rotation, in particular with a rotary feedthrough, wherein the Siebgitter complicatstoff, in particular perpendicular to the rotation axis of the first chamber is set, and a gas medium supply means, in particular air supply medium is set up in the first chamber, in particular in the
- an adaptation of the gas medium supply means (10, 22) with respect to the gas medium guide is made, in particular a pulse, in particular changes in air pressure, and / or adjusting the beam feed of the gas medium supply means, in particular a nozzle means is adjusted with respect to a nozzle angle, in particular synchronized with the tilting movement, where in particular is to radiate into a lower low point.
- the one or more further chambers are provided following the second chamber and / or one or more further chambers
- the first chamber are provided for further transfer of the 3D-Pulvertik- elements, in particular for carrying out further process steps, crizspielswei se advantageous coatings of the elements and / or infiltration and / or irradiation and / or ultrasound.
- FIG. 1 shows a device according to the invention for treating in sectional view
- FIG. 3 shows a device according to the invention for treating
- FIG. 4 shows a device according to the invention for treating in a sectional view
- FIG. 5 shows a device according to the invention for treating in sectional view
- FIG. 6 shows a device according to the invention for treating
- FIG. 8 shows a device according to the invention for treating
- FIG. 10 shows a device according to the invention for treating.
- FIG. 1 shows an apparatus 1 according to the invention for treating 3D powder printing elements 6, in particular 3D laser printing elements, in particular produced with a plastic powder laser sintering method, comprising at least a first chamber 2, with at least a first sub-chamber 3 and a second sub-chamber 4, separated by at least one Sieve grid insert means 5, wherein the grid meshes are adapted adapted for a passage of pressure powder residues and / or retention of the 3D powder pressure elements 6, in particular plastic powder residues, the 3D powder pressure elements 6 from the 3D powder printing process 6, in particular Kunststoffpulverlasersinterhabilit, a rotation means 7 for rotating the first chamber 2 about an axis of rotation 8, in particular with a rotary axis guide 25, wherein the sieve grid insert means 5 is arranged in particular perpendicular to the rotation axis 8 of the first chamber 2, a filling area 9 for filling the 3D powder pressure elements 6 in the first sub-chamber 3, a Gasmediumzulant means 10, in particular air supply means in the first chamber 2, in
- a second or further chambers, in particular with a surface treatment agent can also be designed as examples, as shown in FIG. 1, in particular with regard to the leads and leads and their advantageous arrangement parallel to the axes of rotation and / or tilt axes of the chambers ,
- the supply lines and leads in particular for or integrated in Gasmediumabsaugstofftechnischen and Gasmediumzu- supply medium lines or a surface treatment agent, in particular a special glass bead device, for irradiating the 3D powder pressure elements 6 with radiation particle powder for reasons of clarity, not shown separately.
- FIG. 2 shows a device 1 according to the invention for treatment, with a first chamber 2 and a second chamber 14.
- a gas medium supply means 10 at the filling, wherein a tilting axis 12 is mounted for tilting the first chamber 2 substantially perpendicular to the rotation axis 8, so that in particular a filling region 13 of the second chamber 14 for receiving the 3D powder pressure elements 6 from the first first sub-chamber 3 for emptying the 3D powder pressure elements 6 from the first sub-chamber 3 is used.
- the second chamber 14 is shown, with at least a first sub-chamber 15 and a second sub-chamber 16, separated by at least one mesh screen 17, such as shown in FIG. 4, further provided a rotation means 18 for rotating the second chamber 14 about an axis of rotation 19 is, wherein the screen grid insert means 17 is arranged in particular perpendicular to the rotation axis 19 of the second chamber 14, where in the grid in shape and mesh size is particularly adapted adapted for plastic powder residues of the 3D powder pressure elements 6 and / or Strahlungsstoffp personalitypulver and / or to prevent the entanglement of 3D powder pressure elements 6 in grid meshes, a surface-beam treatment agent 20, in particular a glass bead device, for irradiating the 3D powder pressure elements 6 with ent radiation particle powder, in particular glass beads, which are provided on the Siebgittercommunmit tel 17, further in particular a Ga Smediumzu Adjustsstoff 22, in particular air supply means, continue to see a gas medium suction 21 is adapted adapted also for
- Fig. 3 shows an inventive device 1 for treatment, wherein the upper chamber 1 is tilted with the tilting axis 12 in a lateral intermediate position.
- FIG. 4 shows a device 1 for treating in sectional view according to the invention, wherein the filling area 9 has been tilted downwards and the powder pressure elements from the first chamber 2 are filled into the second chamber 14 into the filling area 13, wherein the first chamber after filling with 3D -Pulverdruckimplantation and suction is rotated and emptied by the filling of the first chamber in the filling of the second chamber, in particular guided by lateral partial guide plates, not shown, wherein a Gasmediumabsaugstoff the second chamber, adapted formed also for the suction of plastic powder residues and or from the second chamber, in particular from the second sub-chamber, as shown in Fig.
- the second chamber is closed in particular during ongoing suction, and then with the surface jet treatment agent, in particular a Glasperlenei tion, a surface treatment of the filled 3D powder pressure elements is made, wherein advantageously an adjustability of the gas medium supply means 10, in particular air supply means, is provided, in particular a nozzle means 28 which is adjustable with respect to a nozzle angle, in particular synchronized with the tilting movement is provided.
- the gas medium supply means 10 in particular air supply means
- Fig. 5 shows a device 1 according to the invention for treating in a sectional view, wherein the second chamber 14 is tilted in an intermediate position.
- Fig. 6 shows a device 1 according to the invention for treatment, wherein the second chamber 14 is emptied.
- Fig. 7 shows an inventive device 1 for treatment.
- the device 1 comprises in particular a chamber 2, 14, in particular a plurality of chambers and axle bearings, as well as displacement devices for the chambers, which are attached to a holding frame, not shown for reasons of clarity.
- the holding frame, not shown, is advantageously also in the devices in Fig. 8 to 10 before.
- the chamber 2 shown by way of example has a filling area 9 for the powder pressure elements, not shown, which at the same time is also an emptying area for the powder pressure elements.
- a filling area 9 in function at the same time as an emptying area for the powdered powder elements with powder cake is exemplified in a side area 34 of the first chamber 2, and / or a side area 35 of the second chamber 14 in Fig. 8, in particular in a window shape with a door means 29 , in particular by means of a Schoverfahrstoffs 30, insbesonde re with a carriage, for example by means of a linear actuator to adjust, in particular provided with an air cushion device 31, for guidance and easier transport in a move in and out 36 of the door means 29, and in particular cleaning the Door surfaces and prevention of powder leakage to protect workers and environment.
- the air cushion actuation takes place only when opening and closing the door movement means 30, during the Ro tationsterrorism the chamber as door means 29 is securely closed, as they are operated only in contact, especially in a transfer between the door means of different chambers, as exemplified in Fig. 10 is shown.
- the sieve grid insert means 5 can also - as shown - also be formed only partially, in particular at the edge as a permeable sieve means, in particular with the aid of adapted edge configurations in the form of for example tooth-like configurations 39 or additional inserts with different medium passage strengths.
- FIG. 8 shows an inventive device 1 for treatment, attached to a holding frame, not shown, by way of example as in FIG. 1, wherein the first and / or second chamber 2, 14 in the region of the tilt axes 12, 23 at a rotary 38, as also shown by way of example in FIG. 9, and can be moved in an exemplary height 37 and / or an optional transverse displacement means, not shown, in particular to chamber displacement means 32, in particular vorOSEbar in a travel direction 33 particularly advantageous in a setting with opposite filling areas 9, 13, as shown in Fig. 10.
- Gas medium supply means 22 and the supply of the surface treatment agent 20 are exemplarily introduced together into the chamber 14. After the surface treatment of the powder pressure elements 6, the gas medium is then aspirated by way of example.
- the transport of the powder pressure elements through different chambers can advantageously take place in the sense of a movement with gravity, in particular with at least one vertical movement components, that is, by way of example, chambers can be arranged relative to one another at an angle of 45 °.
- FIG. 9 shows a device 1 according to the invention for treating, whereby a medium feed takes place along a tilt axis and a discharge takes place along the opposite tilt axis.
- FIG. 10 shows a device according to the invention for treating filling areas 9, 13 which have moved together opposite one another, wherein a sensor system for registering the docking operation can be provided and in particular a coupling and suction of air can be undertaken in order to make the opening more secure and to escape Particles and / or powders to avoid health hazards.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018000814.3A DE102018000814A1 (en) | 2018-02-01 | 2018-02-01 | Apparatus for treating and method of use |
PCT/DE2019/000023 WO2019149305A1 (en) | 2018-02-01 | 2019-02-01 | Device and method for handling 3d powder printing elements |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3746234A1 true EP3746234A1 (en) | 2020-12-09 |
Family
ID=65817693
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19711803.7A Withdrawn EP3746234A1 (en) | 2018-02-01 | 2019-02-01 | Device and method for handling 3d powder printing elements |
Country Status (7)
Country | Link |
---|---|
US (1) | US11220058B2 (en) |
EP (1) | EP3746234A1 (en) |
JP (1) | JP2021512802A (en) |
CN (1) | CN111801171A (en) |
CA (1) | CA3089776A1 (en) |
DE (2) | DE102018000814A1 (en) |
WO (1) | WO2019149305A1 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA3148849A1 (en) | 2019-07-26 | 2021-02-04 | Velo3D, Inc. | Quality assurance in formation of three-dimensional objects |
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WO2019149305A1 (en) | 2019-08-08 |
CA3089776A1 (en) | 2019-08-08 |
US11220058B2 (en) | 2022-01-11 |
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